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A _______________ is a region of repetitive nucleotide sequences at each end of a chromosome, which protects the end of the chromosome from deterioration or from fusion with neighboring chromosomes. Its name is derived from the Greek nouns telos (τέλος) "end" and merοs (μέρος, root: μερ-) "part".
What is a telomere!!!!!!!!
Telomeres have been linked with aging and disease and, in the case of mice, genetic manipulations that shorten or lengthen telomeres result, respectively, in decreased or increased longevity.